diff --git a/Formula/fmm3d.rb b/Formula/fmm3d.rb
index 61e2353..7345a78 100644
--- a/Formula/fmm3d.rb
+++ b/Formula/fmm3d.rb
@@ -12,7 +12,7 @@ def install
     ln_s "make.inc.macosx.gnu", "make.inc" if OS.mac?
 
     # Don't use -march=native when building a bottle
-    inreplace "makefile", "-march=native", "-march=#{Hardware.oldest_cpu}" if build.bottle?
+    inreplace "makefile", "-march=native", "" if build.bottle?
 
     # Build libraries
     system "make", "lib"